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  <title>Get an XPath for a node</title>

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</div><hr /><div id="domnode.getnodepath" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">DOMNode::getNodePath</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.2.0)</p><p class="refpurpose"><span class="refname">DOMNode::getNodePath</span> &mdash; <span class="dc-title">Get an XPath for a node</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-domnode.getnodepath-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><strong>DOMNode::getNodePath</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Gets an XPath location path for the node.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-domnode.getnodepath-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-domnode.getnodepath-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a <span class="type"><a href="language.types.string.html" class="type string">string</a></span> containing the XPath, or <strong><code>NULL</code></strong> in case of an error.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-domnode.getnodepath-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5309">
    <p><strong>Example #1 <span class="methodname"><strong>DOMNode::getNodePath()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;Create&nbsp;a&nbsp;new&nbsp;DOMDocument&nbsp;instance<br /></span><span style="color: #0000BB">$dom&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;Load&nbsp;the&nbsp;XML<br /></span><span style="color: #0000BB">$dom</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">loadXML</span><span style="color: #007700">(</span><span style="color: #DD0000">'<br />&lt;fruits&gt;<br />&nbsp;&lt;apples&gt;<br />&nbsp;&nbsp;&lt;apple&gt;braeburn&lt;/apple&gt;<br />&nbsp;&nbsp;&lt;apple&gt;granny&nbsp;smith&lt;/apple&gt;<br />&nbsp;&lt;/apples&gt;<br />&nbsp;&lt;pears&gt;<br />&nbsp;&nbsp;&lt;pear&gt;conference&lt;/pear&gt;<br />&nbsp;&lt;/pears&gt;<br />&lt;/fruits&gt;<br />'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Print&nbsp;XPath&nbsp;for&nbsp;each&nbsp;element<br /></span><span style="color: #007700">foreach&nbsp;(</span><span style="color: #0000BB">$dom</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getElementsByTagName</span><span style="color: #007700">(</span><span style="color: #DD0000">'*'</span><span style="color: #007700">)&nbsp;as&nbsp;</span><span style="color: #0000BB">$node</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$node</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getNodePath</span><span style="color: #007700">()&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
/fruits
/fruits/apples
/fruits/apples/apple[1]
/fruits/apples/apple[2]
/fruits/pears
/fruits/pears/pear
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-domnode.getnodepath-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><a href="class.domxpath.html" class="classname">DOMXPath</a></li>
   </ul>
  </p>
 </div>


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